221000220210011 has 12 divisors (see below), whose sum is σ = 254447999702424. Its totient is φ = 190335117880800.

The previous prime is 221000220209963. The next prime is 221000220210019. The reversal of 221000220210011 is 110012022000122.

It is not a de Polignac number, because 221000220210011 - 2¹⁰ = 221000220208987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221000220210019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27826767650 + ... + 27826775591.

It is an arithmetic number, because the mean of its divisors is an integer number (21203999975202).

Almost surely, 2^{221000220210011} is an apocalyptic number.

221000220210011 is a deficient number, since it is larger than the sum of its proper divisors (33447779492413).

221000220210011 is a wasteful number, since it uses less digits than its factorization.

221000220210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55653543290 (or 55653543271 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221000220210011 its reverse (110012022000122), we get a palindrome (331012242210133).

The spelling of 221000220210011 in words is "two hundred twenty-one trillion, two hundred twenty million, two hundred ten thousand, eleven".